ProtoSource Corp. (PSCO) Dividend News Alerts
PSCO Stock Quote and Dividend Data
PSCO Dividend History Detail
PSCO Projected 10 Year Dividend Yield
PSCO Competitors News
| Feb 27,2024 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 02-27-2024 decreased stock price > 10% from $0.02 to $0.01 |
| Feb 01,2024 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 02-01-2024 decreased stock price > 10% from $0.03 to $0.02 |
| Jan 24,2024 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 01-24-2024 increased stock price > 10% from $0.02 to $0.03 |
| Jan 23,2024 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 01-23-2024 decreased stock price > 10% from $0.03 to $0.02 |
| Jan 17,2024 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 01-17-2024 decreased stock price > 10% from $0.04 to $0.03 |
| Dec 20,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 12-20-2023 increased stock price > 10% from $0.02 to $0.04 |
| Dec 19,2023 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 12-19-2023 decreased stock price > 10% from $0.04 to $0.02 |
| Dec 13,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 12-13-2023 increased stock price > 10% from $0.02 to $0.04 |
| Dec 12,2023 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 12-12-2023 decreased stock price > 10% from $0.04 to $0.02 |
| Dec 09,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 12-09-2023 increased stock price > 10% from $0.01 to $0.04 |
| Dec 02,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 12-02-2023 increased stock price > 10% from $0.00 to $0.01 |
| Aug 25,2023 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 08-25-2023 decreased stock price > 10% from $0.02 to $0.00 |
| Jul 29,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-29-2023 increased stock price > 10% from $0.00 to $0.02 |
| Jul 25,2023 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 07-25-2023 hit a 52 week low of $0.00 |
| Jul 25,2023 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 07-25-2023 decreased stock price > 10% from $0.01 to $0.00 |
| May 02,2023 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-02-2023 decreased stock price > 10% from $0.02 to $0.01 |
| Apr 01,2023 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-01-2023 increased stock price > 10% from $0.01 to $0.02 |
| Mar 23,2023 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 03-23-2023 hit a 52 week low of $0.01 |
| Dec 31,2022 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 12-31-2022 hit a 52 week low of $0.01 |
| Dec 31,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 12-31-2022 decreased stock price > 10% from $0.02 to $0.01 |
| Jul 13,2022 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 07-13-2022 hit a 52 week low of $0.03 |
| Jun 09,2022 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 06-09-2022 hit a 52 week low of $0.03 |
| May 24,2022 - PSCO STOCK PRICE 52 WEEK LOW: ProtoSource Corp. on 05-24-2022 hit a 52 week low of $0.03 |
| May 24,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-24-2022 decreased stock price > 10% from $0.04 to $0.03 |
| Apr 29,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-29-2022 increased stock price > 10% from $0.03 to $0.04 |
| Apr 27,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-27-2022 increased stock price > 10% from $0.03 to $0.04 |
| Apr 20,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 04-20-2022 decreased stock price > 10% from $0.09 to $0.04 |
| Apr 14,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 04-14-2022 decreased stock price > 10% from $0.10 to $0.09 |
| Apr 13,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 04-13-2022 decreased stock price > 10% from $0.13 to $0.10 |
| Apr 12,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-12-2022 increased stock price > 10% from $0.04 to $0.13 |
| Apr 08,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 04-08-2022 decreased stock price > 10% from $0.05 to $0.04 |
| Apr 06,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-06-2022 increased stock price > 10% from $0.04 to $0.05 |
| Mar 09,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 03-09-2022 decreased stock price > 10% from $0.04 to $0.03 |
| Mar 01,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 03-01-2022 increased stock price > 10% from $0.03 to $0.04 |
| Feb 26,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 02-26-2022 decreased stock price > 10% from $0.04 to $0.03 |
| Feb 19,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 02-19-2022 increased stock price > 10% from $0.03 to $0.04 |
| Jan 19,2022 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 01-19-2022 decreased stock price > 10% from $0.04 to $0.03 |
| Jan 12,2022 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 01-12-2022 increased stock price > 10% from $0.03 to $0.04 |
| Dec 01,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 12-01-2021 decreased stock price > 10% from $0.06 to $0.03 |
| Nov 27,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 11-27-2021 increased stock price > 10% from $0.05 to $0.06 |
| Nov 25,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 11-25-2021 decreased stock price > 10% from $0.06 to $0.05 |
| Nov 24,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 11-24-2021 increased stock price > 10% from $0.05 to $0.06 |
| Nov 17,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 11-17-2021 increased stock price > 10% from $0.04 to $0.05 |
| Oct 07,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 10-07-2021 increased stock price > 10% from $0.04 to $0.05 |
| Oct 06,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 10-06-2021 decreased stock price > 10% from $0.05 to $0.04 |
| Oct 05,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 10-05-2021 decreased stock price > 10% from $0.06 to $0.05 |
| Sep 29,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 09-29-2021 increased stock price > 10% from $0.05 to $0.07 |
| Sep 24,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 09-24-2021 decreased stock price > 10% from $0.06 to $0.05 |
| Sep 21,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 09-21-2021 decreased stock price > 10% from $0.08 to $0.06 |
| Sep 15,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 09-15-2021 increased stock price > 10% from $0.06 to $0.08 |
| Sep 04,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 09-04-2021 decreased stock price > 10% from $0.07 to $0.06 |
| Aug 12,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 08-12-2021 decreased stock price > 10% from $0.08 to $0.07 |
| Aug 11,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 08-11-2021 increased stock price > 10% from $0.07 to $0.08 |
| Aug 06,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 08-06-2021 decreased stock price > 10% from $0.08 to $0.07 |
| Aug 03,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 08-03-2021 increased stock price > 10% from $0.07 to $0.08 |
| Jul 28,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 07-28-2021 decreased stock price > 10% from $0.09 to $0.07 |
| Jul 27,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-27-2021 increased stock price > 10% from $0.08 to $0.09 |
| Jul 21,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-21-2021 increased stock price > 10% from $0.07 to $0.09 |
| Jul 20,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 07-20-2021 decreased stock price > 10% from $0.12 to $0.07 |
| Jul 16,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-16-2021 increased stock price > 10% from $0.09 to $0.13 |
| Jul 13,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 07-13-2021 decreased stock price > 10% from $0.14 to $0.09 |
| Jul 08,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-08-2021 increased stock price > 10% from $0.10 to $0.13 |
| Jul 07,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-07-2021 increased stock price > 10% from $0.09 to $0.10 |
| Jul 03,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 07-03-2021 decreased stock price > 10% from $0.15 to $0.09 |
| Jul 02,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 07-02-2021 increased stock price > 10% from $0.10 to $0.15 |
| Jun 30,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 06-30-2021 increased stock price > 10% from $0.09 to $0.10 |
| Jun 26,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-26-2021 decreased stock price > 10% from $0.10 to $0.09 |
| Jun 24,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-24-2021 decreased stock price > 10% from $0.13 to $0.10 |
| Jun 22,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-22-2021 decreased stock price > 10% from $0.15 to $0.13 |
| Jun 19,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 06-19-2021 increased stock price > 10% from $0.12 to $0.15 |
| Jun 18,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 06-18-2021 increased stock price > 10% from $0.09 to $0.12 |
| Jun 16,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-16-2021 decreased stock price > 10% from $0.12 to $0.09 |
| Jun 15,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-15-2021 decreased stock price > 10% from $0.14 to $0.12 |
| Jun 11,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 06-11-2021 increased stock price > 10% from $0.12 to $0.14 |
| Jun 10,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-10-2021 decreased stock price > 10% from $0.13 to $0.12 |
| Jun 04,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 06-04-2021 decreased stock price > 10% from $0.15 to $0.13 |
| Jun 02,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 06-02-2021 increased stock price > 10% from $0.14 to $0.16 |
| May 28,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-28-2021 increased stock price > 10% from $0.12 to $0.13 |
| May 26,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-26-2021 decreased stock price > 10% from $0.13 to $0.11 |
| May 25,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-25-2021 decreased stock price > 10% from $0.21 to $0.13 |
| May 21,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-21-2021 increased stock price > 10% from $0.11 to $0.21 |
| May 20,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-20-2021 decreased stock price > 10% from $0.17 to $0.11 |
| May 19,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-19-2021 decreased stock price > 10% from $0.20 to $0.17 |
| May 18,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-18-2021 increased stock price > 10% from $0.15 to $0.20 |
| May 15,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-15-2021 increased stock price > 10% from $0.09 to $0.15 |
| May 14,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-14-2021 increased stock price > 10% from $0.06 to $0.09 |
| May 13,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-13-2021 decreased stock price > 10% from $0.09 to $0.06 |
| May 12,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-12-2021 decreased stock price > 10% from $0.18 to $0.09 |
| May 11,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-11-2021 decreased stock price > 10% from $0.23 to $0.18 |
| May 08,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-08-2021 decreased stock price > 10% from $0.30 to $0.23 |
| May 07,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-07-2021 increased stock price > 10% from $0.11 to $0.30 |
| May 06,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-06-2021 increased stock price > 10% from $0.04 to $0.11 |
| May 04,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 05-04-2021 increased stock price > 10% from $0.03 to $0.04 |
| May 01,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 05-01-2021 decreased stock price > 10% from $0.04 to $0.03 |
| Apr 30,2021 - PSCO STOCK PRICE INCREASE: ProtoSource Corp. on 04-30-2021 increased stock price > 10% from $0.01 to $0.04 |
| Apr 20,2021 - PSCO STOCK PRICE DECREASE: ProtoSource Corp. on 04-20-2021 decreased stock price > 10% from $0.02 to $0.01 |
| Mar 05,2021 - STOCK PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 03-05-2021 decreased stock price > 10% from $0.03 to $0.02 |
| Mar 03,2021 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 03-03-2021 increased stock price > 10% from $0.02 to $0.03 |
| Feb 20,2021 - STOCK PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-20-2021 decreased stock price > 10% from $0.03 to $0.02 |
| Feb 13,2021 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-13-2021 increased stock price > 10% from $0.02 to $0.03 |
| Jan 23,2021 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 01-23-2021 increased stock price > 10% from $0.01 to $0.02 |
| Jan 21,2021 - STOCK PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 01-21-2021 decreased stock price > 10% from $0.02 to $0.01 |
| Dec 24,2020 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-24-2020 increased stock price > 10% from $0.01 to $0.02 |
| Dec 17,2020 - STOCK PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-17-2020 decreased stock price > 10% from $0.02 to $0.01 |
| Dec 08,2020 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-08-2020 increased stock price > 10% from $0.01 to $0.02 |
| Nov 28,2020 - STOCK PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 11-28-2020 decreased stock price > 10% from $0.02 to $0.01 |
| Nov 21,2020 - STOCK PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 11-21-2020 increased stock price > 10% from $0.01 to $0.02 |
| Oct 14,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-14-2020 decreased close price > 10% from $0.01 to $0.01 |
| Oct 10,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-10-2020 increased close price > 10% from $0.01 to $0.01 |
| Sep 30,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-30-2020 decreased close price > 10% from $0.01 to $0.01 |
| Sep 17,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-17-2020 decreased close price > 10% from $0.02 to $0.01 |
| Sep 16,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-16-2020 decreased close price > 10% from $0.03 to $0.02 |
| Sep 12,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-12-2020 increased close price > 10% from $0.03 to $0.03 |
| Sep 11,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-11-2020 decreased close price > 10% from $0.03 to $0.03 |
| Sep 10,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-10-2020 increased close price > 10% from $0.03 to $0.03 |
| Sep 05,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-05-2020 decreased close price > 10% from $0.03 to $0.03 |
| Aug 29,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 08-29-2020 increased close price > 10% from $0.02 to $0.04 |
| Aug 28,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 08-28-2020 decreased close price > 10% from $0.04 to $0.02 |
| Aug 27,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 08-27-2020 increased close price > 10% from $0.00 to $0.04 |
| Aug 18,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 08-18-2020 increased close price > 10% from $0.00 to $0.00 |
| Jul 17,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 07-17-2020 decreased close price > 10% from $0.01 to $0.00 |
| Jul 14,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 07-14-2020 increased close price > 10% from $0.00 to $0.01 |
| Jun 30,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-30-2020 decreased close price > 10% from $0.01 to $0.00 |
| Jun 27,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-27-2020 increased close price > 10% from $0.00 to $0.01 |
| Jun 24,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-24-2020 decreased close price > 10% from $0.01 to $0.00 |
| Jun 13,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-13-2020 increased close price > 10% from $0.00 to $0.01 |
| Jun 09,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-09-2020 decreased close price > 10% from $0.00 to $0.00 |
| Jun 04,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-04-2020 increased close price > 10% from $0.00 to $0.00 |
| May 27,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 05-27-2020 decreased close price > 10% from $0.01 to $0.00 |
| May 23,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 05-23-2020 decreased close price > 10% from $0.01 to $0.01 |
| May 07,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 05-07-2020 increased close price > 10% from $0.00 to $0.01 |
| Apr 01,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 04-01-2020 increased close price > 10% from $0.00 to $0.00 |
| Mar 31,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 03-31-2020 increased close price > 10% from $0.00 to $0.00 |
| Mar 17,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 03-17-2020 decreased close price > 10% from $0.00 to $0.00 |
| Feb 21,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-21-2020 decreased close price > 10% from $0.00 to $0.00 |
| Feb 12,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-12-2020 decreased close price > 10% from $0.01 to $0.00 |
| Feb 07,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-07-2020 increased close price > 10% from $0.00 to $0.01 |
| Feb 06,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-06-2020 decreased close price > 10% from $0.01 to $0.00 |
| Feb 05,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 02-05-2020 increased close price > 10% from $0.00 to $0.01 |
| Jan 24,2020 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 01-24-2020 decreased close price > 10% from $0.00 to $0.00 |
| Jan 07,2020 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 01-07-2020 increased close price > 10% from $0.00 to $0.00 |
| Dec 27,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-27-2019 decreased close price > 10% from $0.00 to $0.00 |
| Dec 10,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-10-2019 decreased close price > 10% from $0.01 to $0.00 |
| Dec 04,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 12-04-2019 increased close price > 10% from $0.00 to $0.01 |
| Nov 28,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 11-28-2019 decreased close price > 10% from $0.00 to $0.00 |
| Nov 07,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 11-07-2019 increased close price > 10% from $0.00 to $0.00 |
| Nov 01,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 11-01-2019 decreased close price > 10% from $0.00 to $0.00 |
| Oct 17,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-17-2019 decreased close price > 10% from $0.01 to $0.00 |
| Oct 11,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-11-2019 increased close price > 10% from $0.00 to $0.01 |
| Oct 09,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-09-2019 decreased close price > 10% from $0.01 to $0.00 |
| Oct 05,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 10-05-2019 increased close price > 10% from $0.00 to $0.01 |
| Sep 25,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-25-2019 decreased close price > 10% from $0.01 to $0.00 |
| Sep 17,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-17-2019 decreased close price > 10% from $0.01 to $0.01 |
| Sep 14,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-14-2019 increased close price > 10% from $0.00 to $0.01 |
| Aug 28,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 08-28-2019 decreased close price > 10% from $0.00 to $0.00 |
| Jul 09,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 07-09-2019 decreased close price > 10% from $0.01 to $0.00 |
| Jul 04,2019 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 07-04-2019 increased close price > 10% from $0.00 to $0.01 |
| Jun 29,2019 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 06-29-2019 decreased close price > 10% from $0.01 to $0.00 |
| Sep 25,2018 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-25-2018 decreased close price > 10% from $0.01 to $0.01 |
| Sep 13,2018 - CLOSE PRICE DECREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-13-2018 decreased close price > 10% from $0.01 to $0.01 |
| Sep 05,2018 - CLOSE PRICE INCREASE: ProtoSource Corp. (OTCBB: PSCO) on 09-05-2018 increased close price > 10% from $0.01 to $0.01 |
